CLBNYSEOil & Gas Field Services, NECFiscal year ends December 31
Core Laboratories Inc. /DE/
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Jul 30, 2026
$10.15+0.15 (+1.50%)
Close on Oct 19, 2026
- Market cap
- $475.81M
- P/E (TTM)
- 19.5
- Dividend yield
- 0.39%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
100.0%
53M of 46M shares
Institutional holders
186
32 new, 31 sold out
Net institutional buying
2M
In Q2 2026
Insider trades, 12 months
1 buys · 0 sales
Net bought $53.90K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 3,811,390 | 8.30% | 13G (passive) amendment | Jul 31, 2026 |
| Earnest Partners LLC | 3,221,043 | 6.90% | 13G (passive) amendment | Dec 31, 2025 |
| Disciplined Growth Investors Inc /Mn | 3,042,177 | 6.60% | 13G (passive) amendment | Jun 30, 2026 |
| Ariel Investments, LLC | 14,074,945 | 30.50% | 13G (passive) amendment | Jun 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of CLB | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Ariel Investments, LLC | 14,074,945 | 30.67% | $163.97M | +904,557 | 1.63% |
| BlackRock, Inc. | 7,460,118 | 16.26% | $86.91M | +251,615 | 0.00% |
| Disciplined Growth Investors Inc /Mn | 3,042,177 | 6.63% | $35.44M | −1,894,938 | 0.60% |
| Earnest Partners LLC | 2,941,004 | 6.41% | $34.26M | −114,992 | 0.12% |
| State Street Corp | 2,176,480 | 4.74% | $25.36M | +115,943 | 0.00% |
| CWA Asset Management Group, LLC | 1,755,085 | 3.83% | $20.45M | +14,084 | 0.62% |
| Vanguard Capital Management LLC | 1,590,521 | 3.47% | $18.53M | −29,342 | 0.00% |
| Dimensional Fund Advisors LP | 1,548,203 | 3.37% | $18.03M | +195,874 | 0.00% |
| Schroder Investment Management Group | 1,543,638 | 3.36% | $16.86M | New | 0.01% |
| Vanguard Portfolio Management LLC | 1,275,421 | 2.78% | $14.86M | +20,585 | 0.00% |
| Geode Capital Management, LLC | 1,193,824 | 2.60% | $13.91M | +55,866 | 0.00% |
| Gendell Jeffrey L | 1,090,973 | 2.38% | $12.71M | +442,513 | 0.11% |
| Heartland Advisors Inc | 1,058,311 | 2.31% | $12.33M | +908,311 | 0.55% |
| Goldman Sachs Group Inc | 751,643 | 1.64% | $8.76M | −97,258 | 0.00% |
| Evergreen Capital Management LLC | 669,508 | 1.46% | $7.80M | New | 0.14% |
| Morgan Stanley | 656,146 | 1.43% | $7.64M | +209,364 | 0.00% |
| Northern Trust Corp | 608,202 | 1.33% | $7.09M | +42,916 | 0.00% |
| Charles Schwab Investment Management Inc | 565,065 | 1.23% | $6.58M | −121,885 | 0.00% |
| T. Rowe Price Investment Management, Inc. | 485,032 | 1.06% | $5.65K | −618,863 | 0.00% |
| UBS Group AG | 461,777 | 1.01% | $5.38M | +30,124 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 186 | 53M | 100.0% | 32 / 57 | 69 / 31 | 7M | 5M |
| Q1 2026 | 190 | 51M | 100.0% | 24 / 60 | 59 / 18 | 6M | 3M |
| Q4 2025 | 188 | 51M | 100.0% | 30 / 51 | 78 / 29 | 4M | 4M |
| Q3 2025 | 190 | 51M | 100.0% | 28 / 65 | 72 / 28 | 3M | 4M |
| Q2 2025 | 191 | 52M | 100.0% | 28 / 68 | 60 / 31 | 5M | 4M |
| Q1 2025 | 195 | 51M | 100.0% | 22 / 55 | 77 / 33 | 3M | 3M |
| Q4 2024 | 208 | 51M | 100.0% | 38 / 58 | 72 / 17 | 2M | 2M |
| Q3 2024 | 190 | 51M | 100.0% | 29 / 61 | 72 / 28 | 12M | 4M |
| Q2 2024 | 193 | 52M | 100.0% | 28 / 72 | 59 / 29 | 6M | 5M |
| Q1 2024 | 196 | 51M | 100.0% | 33 / 75 | 54 / 23 | 6M | 5M |
| Q4 2023 | 186 | 49M | 100.0% | 28 / 55 | 71 / 19 | 3M | 2M |
| Q3 2023 | 178 | 48M | 100.0% | 24 / 55 | 65 / 8 | 3M | 3M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of CLB | Value | % of fund | As of |
|---|---|---|---|---|---|
| Ariel Fund | 6,474,663 | 14.11% | $75.43M | 2.60% | Jun 30, 2026 |
| iShares Core S&P Small-Cap ETF | 2,774,502 | 6.05% | $32.32M | 0.03% | Jun 30, 2026 |
| Ariel Appreciation Fund | 1,429,620 | 3.12% | $16.66M | 1.73% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 1,213,219 | 2.64% | $14.13M | 0.02% | Jun 30, 2026 |
| Harbor Small Cap Value Fund | 1,113,698 | 2.43% | $11.85M | 0.47% | Jul 31, 2026 |
| Vanguard Total Stock Market Index Fund | 1,030,900 | 2.25% | $12.01M | 0.00% | Jun 30, 2026 |
| Heartland Value Fund | 901,721 | 1.97% | $10.51M | 0.90% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 529,062 | 1.15% | $6.16M | 0.01% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 509,572 | 1.11% | $5.42M | 0.02% | Jul 31, 2026 |
| Vanguard Energy Index Fund | 443,992 | 0.97% | $6.07M | 0.05% | May 31, 2026 |
| iShares Russell 2000 Value ETF | 441,865 | 0.96% | $5.15M | 0.04% | Jun 30, 2026 |
| Vanguard Explorer Value Fund | 428,559 | 0.93% | $5.86M | 0.47% | May 31, 2026 |
| Columbia Small Cap Value Discovery Fund | 425,000 | 0.93% | $4.52M | 0.18% | Jul 31, 2026 |
| State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF | 419,632 | 0.91% | $4.89M | 0.03% | Jun 30, 2026 |
| iShares S&P Small-Cap 600 Value ETF | 399,505 | 0.87% | $4.65M | 0.06% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Lawrence Bruno | Chairman and CEO, Director | 262,438 | 0.57% | Aug 4, 2026 |
| Sow Hang Teo | CAO & Treasurer | 8,625 | 0.02% | Aug 4, 2026 |
| Mark Damian Tattoli | SVP, Gen Counsel & Secretary | 29,478 | 0.06% | Aug 4, 2026 |
| Gwendolyn Gresham | SVP | 33,226 | 0.07% | Feb 17, 2026 |
| Christopher Scott Hill | SVP & CFO | 110,261 | 0.24% | Feb 17, 2026 |
| Katherine Murray | Director | 29,290 | 0.06% | Apr 8, 2026 |
| Curt Anastasio | Director | 23,805 | 0.05% | Apr 7, 2026 |
| Robert F. Martinovich | Director | 8,069 | 0.02% | Apr 7, 2026 |
| Martha Z. Carnes | Director | 54,397 | 0.12% | Apr 7, 2026 |
| Harvey Robert Klingensmith | Director | 50,031 | 0.11% | Apr 7, 2026 |
| Kwaku Temeng | Director | 33,597 | 0.07% | Apr 7, 2026 |
| Michael Straughen | Director | 24,552 | 0.05% | Apr 2, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Sow Hang Teo CAO & Treasurer | Aug 1, 2026 | Option exercise | +200 | – | – | 8,625 |
| Sow Hang Teo CAO & Treasurer | Aug 1, 2026 | Tax withholding | −90 | $10.64 | $958 | 8,535 |
| Sow Hang Teo CAO & Treasurer | Aug 1, 2026 | Tax withholding | −108 | $10.64 | $1.15K | 8,667 |
| Sow Hang Teo CAO & Treasurer | Aug 1, 2026 | Option exercise | +240 | – | – | 8,775 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Aug 1, 2026 | Option exercise | +250 | – | – | 27,764 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Aug 1, 2026 | Tax withholding | −99 | $10.64 | $1.05K | 27,665 |
| Lawrence Bruno Chairman and CEO, Director | Jul 31, 2026 | Buy | +5,000 | $10.78 | $53.90K | 262,438 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | May 1, 2026 | Option exercise | +250 | – | – | 27,611 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | May 1, 2026 | Tax withholding | −97 | $14.07 | $1.36K | 27,514 |
| Katherine Murray Director | Apr 1, 2026 | Option exercise | +8,069 | – | – | 29,290 |
| Kwaku Temeng Director | Apr 1, 2026 | Option exercise | +8,069 | – | – | 33,597 |
| Curt Anastasio Director | Apr 1, 2026 | Option exercise | +8,069 | – | – | 23,805 |
| Robert F. Martinovich Director | Apr 1, 2026 | Option exercise | +8,069 | – | – | 8,069 |
| Martha Z. Carnes Director | Apr 1, 2026 | Option exercise | +8,069 | – | – | 54,397 |
| Harvey Robert Klingensmith Director | Apr 1, 2026 | Option exercise | +8,069 | – | – | 50,031 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Dec 31, 2025 | Tax withholding | −14,310 | $16.03 | $229.39K | 27,361 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Dec 31, 2025 | Option exercise | +24,952 | – | – | 41,671 |
| Christopher Scott Hill SVP & CFO | Dec 31, 2025 | Tax withholding | −32,152 | $16.03 | $515.40K | 110,202 |
| Christopher Scott Hill SVP & CFO | Dec 31, 2025 | Option exercise | +61,417 | – | – | 142,354 |
| Lawrence Bruno Chairman and CEO, Director | Dec 31, 2025 | Tax withholding | −112,681 | $16.03 | $1.81M | 257,438 |
| Lawrence Bruno Chairman and CEO, Director | Dec 31, 2025 | Option exercise | +180,722 | – | – | 370,119 |
| Gwendolyn Gresham SVP | Dec 31, 2025 | Tax withholding | −19,301 | $16.03 | $309.40K | 33,226 |
| Gwendolyn Gresham SVP | Dec 31, 2025 | Option exercise | +24,952 | – | – | 52,527 |
| Sow Hang Teo CAO & Treasurer | Dec 1, 2025 | Option exercise | +864 | – | – | 8,765 |
| Sow Hang Teo CAO & Treasurer | Dec 1, 2025 | Tax withholding | −340 | $15.39 | $5.23K | 8,425 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Oct 1, 2025 | Option exercise | +700 | – | – | 16,995 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Oct 1, 2025 | Tax withholding | −276 | $12.58 | $3.47K | 16,719 |
| Sow Hang Teo CAO & Treasurer | Oct 1, 2025 | Option exercise | +250 | – | – | 8,000 |
| Sow Hang Teo CAO & Treasurer | Oct 1, 2025 | Tax withholding | −99 | $12.58 | $1.25K | 7,901 |
| Sow Hang Teo CAO & Treasurer | Aug 1, 2025 | Option exercise | +200 | – | – | 7,840 |
| Sow Hang Teo CAO & Treasurer | Aug 1, 2025 | Option exercise | +240 | – | – | 7,748 |
| Sow Hang Teo CAO & Treasurer | Aug 1, 2025 | Tax withholding | −108 | $10.53 | $1.14K | 7,640 |
| Sow Hang Teo CAO & Treasurer | Aug 1, 2025 | Tax withholding | −90 | $10.53 | $948 | 7,750 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Aug 1, 2025 | Option exercise | +250 | – | – | 16,394 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Aug 1, 2025 | Tax withholding | −99 | $10.53 | $1.04K | 16,295 |
| Sow Hang Teo CAO & Treasurer | May 1, 2025 | Tax withholding | −79 | $11.68 | $923 | 7,508 |
| Sow Hang Teo CAO & Treasurer | May 1, 2025 | Option exercise | +175 | – | – | 7,587 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | May 1, 2025 | Option exercise | +250 | – | – | 16,243 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | May 1, 2025 | Tax withholding | −79 | $11.68 | $923 | 15,993 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | May 1, 2025 | Option exercise | +200 | – | – | 16,072 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | May 1, 2025 | Tax withholding | −99 | $11.68 | $1.16K | 16,144 |
| Curt Anastasio Director | Apr 1, 2025 | Option exercise | +9,317 | – | – | 15,736 |
| Harvey Robert Klingensmith Director | Apr 1, 2025 | Option exercise | +9,317 | – | – | 41,962 |
| Martha Z. Carnes Director | Apr 1, 2025 | Option exercise | +9,317 | – | – | 46,328 |
| Michael Straughen Director | Apr 1, 2025 | Tax withholding | −4,634 | $14.98 | $69.42K | 24,552 |
| Michael Straughen Director | Apr 1, 2025 | Option exercise | +9,317 | – | – | 29,186 |
| Katherine Murray Director | Apr 1, 2025 | Option exercise | +9,317 | – | – | 21,221 |
| Kwaku Temeng Director | Apr 1, 2025 | Option exercise | +9,317 | – | – | 25,528 |
| Christopher Scott Hill SVP & CFO | Dec 31, 2024 | Option exercise | +23,607 | – | – | 95,656 |
| Christopher Scott Hill SVP & CFO | Dec 31, 2024 | Tax withholding | −14,719 | $17.31 | $254.79K | 80,937 |
| Lawrence Bruno Chairman and CEO, Director | Dec 31, 2024 | Tax withholding | −43,380 | $17.31 | $750.91K | 189,397 |
| Lawrence Bruno Chairman and CEO, Director | Dec 31, 2024 | Option exercise | +69,574 | – | – | 232,777 |
| Gwendolyn Gresham SVP | Dec 31, 2024 | Tax withholding | −5,989 | $17.31 | $103.67K | 27,575 |
| Gwendolyn Gresham SVP | Dec 31, 2024 | Option exercise | +9,604 | – | – | 33,564 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Dec 31, 2024 | Tax withholding | −5,028 | $17.31 | $87.03K | 15,872 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Dec 31, 2024 | Option exercise | +9,604 | – | – | 20,900 |
| Sow Hang Teo CAO & Treasurer | Dec 1, 2024 | Option exercise | +576 | – | – | 7,639 |
| Sow Hang Teo CAO & Treasurer | Dec 1, 2024 | Tax withholding | −227 | $20.42 | $4.64K | 7,412 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Oct 1, 2024 | Tax withholding | −276 | $19.21 | $5.30K | 11,296 |
| Mark Damian Tattoli SVP, Gen Counsel & Secretary | Oct 1, 2024 | Option exercise | +700 | – | – | 11,572 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.